Ammonium (DEV)	Cyanide	Iron (DEV)	Nitrite	Sulphate
Ammonium(Neßler)	Detergents anionic	Iron (Triazine)	pH	Sulphide
Chlorine	Detergents cationic	Manganese	Phosphate (DEV)	Swimming pool
Chromate	Diethylhydroxylamine (DEHA)	Nickel	Phosphate	Zinc
Copper	Hydrazine	Nitrate	Silica